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1 | 'use strict' | |
2 | ||
3 | const config = require('config') | |
4 | const crypto = require('crypto') | |
5 | const express = require('express') | |
6 | const multer = require('multer') | |
7 | ||
8 | const logger = require('../../../helpers/logger') | |
9 | const friends = require('../../../lib/friends') | |
10 | const middleware = require('../../../middlewares') | |
11 | const cacheMiddleware = middleware.cache | |
12 | const reqValidator = middleware.reqValidators.videos | |
13 | const Videos = require('../../../models/videos') // model | |
14 | const videos = require('../../../lib/videos') | |
15 | const webtorrent = require('../../../lib/webtorrent') | |
16 | ||
17 | const router = express.Router() | |
18 | const uploads = config.get('storage.uploads') | |
19 | ||
20 | // multer configuration | |
21 | const storage = multer.diskStorage({ | |
22 | destination: function (req, file, cb) { | |
23 | cb(null, uploads) | |
24 | }, | |
25 | ||
26 | filename: function (req, file, cb) { | |
27 | let extension = '' | |
28 | if (file.mimetype === 'video/webm') extension = 'webm' | |
29 | else if (file.mimetype === 'video/mp4') extension = 'mp4' | |
30 | else if (file.mimetype === 'video/ogg') extension = 'ogv' | |
31 | crypto.pseudoRandomBytes(16, function (err, raw) { | |
32 | const fieldname = err ? undefined : raw.toString('hex') | |
33 | cb(null, fieldname + '.' + extension) | |
34 | }) | |
35 | } | |
36 | }) | |
37 | ||
38 | const reqFiles = multer({ storage: storage }).fields([{ name: 'videofile', maxCount: 1 }]) | |
39 | ||
40 | router.get('/', cacheMiddleware.cache(false), listVideos) | |
41 | router.post('/', reqFiles, reqValidator.videosAdd, cacheMiddleware.cache(false), addVideo) | |
42 | router.get('/:id', reqValidator.videosGet, cacheMiddleware.cache(false), getVideos) | |
43 | router.delete('/:id', reqValidator.videosRemove, cacheMiddleware.cache(false), removeVideo) | |
44 | router.get('/search/:name', reqValidator.videosSearch, cacheMiddleware.cache(false), searchVideos) | |
45 | ||
46 | // --------------------------------------------------------------------------- | |
47 | ||
48 | module.exports = router | |
49 | ||
50 | // --------------------------------------------------------------------------- | |
51 | ||
52 | function addVideo (req, res, next) { | |
53 | const video_file = req.files.videofile[0] | |
54 | const video_infos = req.body | |
55 | ||
56 | videos.seed(video_file.path, function (err, torrent) { | |
57 | if (err) { | |
58 | logger.error('Cannot seed this video.') | |
59 | return next(err) | |
60 | } | |
61 | ||
62 | const video_data = { | |
63 | name: video_infos.name, | |
64 | namePath: video_file.filename, | |
65 | description: video_infos.description, | |
66 | magnetUri: torrent.magnetURI | |
67 | } | |
68 | ||
69 | Videos.add(video_data, function (err) { | |
70 | if (err) { | |
71 | // TODO unseed the video | |
72 | logger.error('Cannot insert this video in the database.') | |
73 | return next(err) | |
74 | } | |
75 | ||
76 | // Now we'll add the video's meta data to our friends | |
77 | friends.addVideoToFriends(video_data) | |
78 | ||
79 | // TODO : include Location of the new video -> 201 | |
80 | res.type('json').status(204).end() | |
81 | }) | |
82 | }) | |
83 | } | |
84 | ||
85 | function getVideos (req, res, next) { | |
86 | Videos.get(req.params.id, function (err, video_obj) { | |
87 | if (err) return next(err) | |
88 | ||
89 | const state = videos.getVideoState(video_obj) | |
90 | if (state.exist === false) { | |
91 | return res.type('json').status(204).end() | |
92 | } | |
93 | ||
94 | res.json(getFormatedVideo(video_obj)) | |
95 | }) | |
96 | } | |
97 | ||
98 | function listVideos (req, res, next) { | |
99 | Videos.list(function (err, videos_list) { | |
100 | if (err) return next(err) | |
101 | ||
102 | res.json(getFormatedVideos(videos_list)) | |
103 | }) | |
104 | } | |
105 | ||
106 | function removeVideo (req, res, next) { | |
107 | const video_id = req.params.id | |
108 | Videos.get(video_id, function (err, video) { | |
109 | if (err) return next(err) | |
110 | ||
111 | removeTorrent(video.magnetUri, function () { | |
112 | Videos.removeOwned(req.params.id, function (err) { | |
113 | if (err) return next(err) | |
114 | ||
115 | const params = { | |
116 | name: video.name, | |
117 | magnetUri: video.magnetUri | |
118 | } | |
119 | ||
120 | friends.removeVideoToFriends(params) | |
121 | res.type('json').status(204).end() | |
122 | }) | |
123 | }) | |
124 | }) | |
125 | } | |
126 | ||
127 | function searchVideos (req, res, next) { | |
128 | Videos.search(req.params.name, function (err, videos_list) { | |
129 | if (err) return next(err) | |
130 | ||
131 | res.json(getFormatedVideos(videos_list)) | |
132 | }) | |
133 | } | |
134 | ||
135 | // --------------------------------------------------------------------------- | |
136 | ||
137 | function getFormatedVideo (video_obj) { | |
138 | const formated_video = { | |
139 | id: video_obj._id, | |
140 | name: video_obj.name, | |
141 | description: video_obj.description, | |
142 | podUrl: video_obj.podUrl, | |
143 | isLocal: videos.getVideoState(video_obj).owned, | |
144 | magnetUri: video_obj.magnetUri | |
145 | } | |
146 | ||
147 | return formated_video | |
148 | } | |
149 | ||
150 | function getFormatedVideos (videos_obj) { | |
151 | const formated_videos = [] | |
152 | ||
153 | videos_obj.forEach(function (video_obj) { | |
154 | formated_videos.push(getFormatedVideo(video_obj)) | |
155 | }) | |
156 | ||
157 | return formated_videos | |
158 | } | |
159 | ||
160 | // Maybe the torrent is not seeded, but we catch the error to don't stop the removing process | |
161 | function removeTorrent (magnetUri, callback) { | |
162 | try { | |
163 | webtorrent.remove(magnetUri, callback) | |
164 | } catch (err) { | |
165 | logger.warn('Cannot remove the torrent from WebTorrent', { err: err }) | |
166 | return callback(null) | |
167 | } | |
168 | } |